ANSWERS: 1
  • If water droplets are inside a spaceship, they will likely be continually changing shape due to air currents. If they are outside in space, they will simultaneously boil to steam and freeze to ice, leaving no liquid water behind. Under controlled conditions in air on the spaceship, the water droplets will be spherical. This is because the surface tension of the water droplets acts to minimise their area. The shape with the least area for a given volume is a sphere. Falling raindrops are pretty much spherical too. Planets are are roughly spherical for a different reason. In the case of sufficiently big planets, if mountains get bigger, they get too heavy to support their own weight, and subside. Therefore, since the materials stay the same strength, the bigger the planet, the more round it will be. Surface tension has very little or no contribution to the planet shape.
    • hoangphiho
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